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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceGas StationsZurichOsterwalder Tanklager Zürich AG
Osterwalder Tanklager Zürich AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Osterwalder Tanklager Zürich AG is an energy and fuel company supplying heating oil to households and businesses and distributing motor and aviation fuels through the AVIA network. Its services include AVIA lubricants, de-icing products, tank cleaning and Oilfox services, an AVIA fuel card, online customer service and an on-call emergency service.

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Products & services

Industry:Gas Stations
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Osterwalder Tanklager Zürich AG

✓ Offered7
Fuel products
AVIA fuel products for passenger cars and other vehicles, including unleaded 95, unleaded 98, diesel, HVO 100, Ecosave Premium Diesel and hydrogen at selected locations.
Fuel card
AVIA fuel card for private individuals and companies with special conditions, cashless purchases in AVIA shops, monthly billing, and optional roadside assistance for private customers.
Filling stations
Access to the AVIA filling station network with more than 500 locations in Switzerland, including cross-acceptance at Enilive Suisse stations and a station finder.
Heating oil
Heating oil products for businesses and private households, quotations on a daily price basis, market information, and heating oil price information.
Tank cleaning
Tank cleaning and inspection of heating oil tanks, including sludge and pipe cleaning, corrosion protection, inspection, disposal and refilling of the heating oil.
Lubricants
AVIA lubricants for passenger cars, commercial vehicles, machinery and classic cars, including engine oils, gear oils, hydraulic oils, lubricating greases, AdBlue and antifreeze.
De-icing agents
SNO-N-ICE de-icing agent for winter service and spreading applications, with lasting effect, resistance to cold, and gentle use for people, animals and materials.
Trust & reputation

ranQ Trust Score of Osterwalder Tanklager Zürich AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Osterwalder Tanklager Zürich AG scores 71.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.61.424%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.83.810%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
Osterwalder Tanklager Zürich AG scores 76.6 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.79.212%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Osterwalder Tanklager Zürich AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Osterwalder Tanklager Zürich AG scores 97.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Osterwalder Tanklager Zürich AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 26 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 26 reviews across all connected sources

Sources
GGoogle4.226
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Neunbrunnenstrasse 40
8050 Zurich
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-395.993.247
Founded
2018 · 8 years
Last commercial register change
March 12, 2025
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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